ClassID:

138613

F02B23/0624 - CPC Classification

Classification description:

Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston having in-cylinder means to influence the charge motion Swirl flow

Recent Application in this class:
#1
20250297569
2025-09-25

PISTON WITH COMBUSTION STABILIZING BOWL

#2
20230014414
2023-01-19

Opposed-piston engine

#3
20220364498
2022-11-17

Piston bowl geometry, cuff and top land interaction for reduced hydrocarbons, improved combustion efficiency, and piston temperature

#4
20220034279
2022-02-03

Piston bowl geometries for internal combustion engines

#5
20210310403
2021-10-07

Apparatus for optimizing fuel/air mixing process of internal combustion engine

#6
20210239072
2021-08-05

Method for operating an internal combustion engine for a motor vehicle, and internal combustion engine for a motor vehicle

#7
20200165963
2020-05-28

PISTON FOR COMPRESSION-IGNITION ENGINE HAVING ANTEBOWL AND ENGINE OPERATING STRATEGY UTILIZING SAME

#8
20200158007
2020-05-21

Combustion chamber structure for engine

#9
20200158006
2020-05-21

Combustion chamber structure for engine

#10
20200141305
2020-05-07

A PISTON FOR AN INTERNAL COMBUSTION ENGINE

#11
20200095921
2020-03-26

Internal combustion engine and method for its operation

#12
20200095920
2020-03-26

Piston design for flow re-direction

#13
20190360428
2019-11-28

DIESEL ENGINE

#14
20190186342
2019-06-20

Method for Operating an Internal Combustion Engine, and Internal Combustion Engine

#15
20190112968
2019-04-18

DIESEL ENGINE HAVING REENTRANT COMBUSTION CHAMBER

#16
20190063361
2019-02-28

Control system for pre-mixture compression-ignition engine

#17
20190063350
2019-02-28

Control system for compression-ignition engine

#18
20190063344
2019-02-28

Control device for engine

#19
20190048822
2019-02-14

Piston bowl rim with fatigue resistance

#20
20180334949
2018-11-22

Control system of compression-ignition engine

#21
20180313278
2018-11-01

Internal combustion engine

#22
20180119637
2018-05-03

Piston design for splitting jets

#23
20180058315
2018-03-01

Skewed combustion chamber for opposed-piston engines

#24
20170082013
2017-03-23

Method for monitoring the fuel injection of an internal combustion engine with direct injection, in particular with compression ignition, and engine using such a method

#25
20170067391
2017-03-09

Combustion chamber for an internal combustion engine and an internal combustion engine

#26
20170030262
2017-02-02

Skewed combustion chamber for opposed-piston engines

#27
20160369686
2016-12-22

Low reactivity, compression-ignition, opposed-piston engine

#28
20160363042
2016-12-15

COMBUSTION CHAMBER OF DIESEL ENGINE

#29
20160348571
2016-12-01

Combustion system for gaseous fueled internal combustion engine

#30
20160341104
2016-11-24

Low reactivity, compression-ignition, opposed-piston engine

#31
20160333819
2016-11-17

Control device for compression-ignited internal combustion engine

#32
20160290224
2016-10-06

Asymmetrically-shaped combustion chamber for opposed-piston engines

#33
20160252014
2016-09-01

Opposed-piston engine having a single crankshaft coupled to the opposed pistons by linkages with pivoted rocker arms

#34
20150337756
2015-11-26

INTERNAL COMBUSTION ENGINE

#35
20150308327
2015-10-29

Combustion chamber of direct injection diesel engine having inducers

#36
20150285127
2015-10-08

Fuel injection with swirl spray patterns in opposed-piston engines

#37
20150128899
2015-05-14

Piston having combustion bowl shaped to balance combustion efficiency and emission properties

#38
20150122227
2015-05-07

Combustion chamber construction with dual mixing regions for opposed-piston engines

#39
20150107543
2015-04-23

Piston of an internal combustion engine

#40
20150013649
2015-01-15

Combustion chamber constructions for opposed-piston engines

#41
20140331957
2014-11-13

Combustion chamber structure for internal combustion engine

#42
20140238341
2014-08-28

Combustion system for an engine having a swirl inducing combustion chamber

#43
20140048036
2014-02-20

Internal combustion engine

#44
20140048030
2014-02-20

Plasma generation device

#45
20140026849
2014-01-30

Internal combustion engine

#46
20140014063
2014-01-16

Swirl-conserving combustion chamber construction for opposed-piston engines

#47
20130239925
2013-09-19

Piston having combustion bowl shaped to balance combustion efficiency and emission properties

#48
20130213342
2013-08-22

Piston crown bowls defining combustion chamber constructions in opposed-piston engines

#49
20120073541
2012-03-29

Fuel injection spray patterns for opposed-piston engines

#50
20120073526
2012-03-29

Piston constructions for opposed-piston engines

#51
20120037130
2012-02-16

Opposed-piston engine having a single crankshaft coupled to the opposed pistons by linkages with pivoted rocker arms

#52
20110271932
2011-11-10

Combustion chamber constructions for opposed-piston engines

#53
20110253096
2011-10-20

Piston having combustion bowl shaped to balance combustion efficiency and emission properties

#54
20110247585
2011-10-13

Injector-ignition for an internal combustion engine

#55
20110239983
2011-10-06

Engine having fuel injection induced combustion chamber mixing

#56
20110239982
2011-10-06

Engine having fuel injection induced combustion chamber mixing

#57
20110061365
2011-03-17

Exhaust valve for a large sized two stroke diesel engine, process for reduction on NO-formation in such an engine and such engine

#58
20100206263
2010-08-19

Direct-injection type engine

#59
20100204901
2010-08-12

Fuel injector having algorithm controlled look-ahead timing for injector-ignition operation

#60
20100065017
2010-03-18

Combustion system for vehicle

#61
20090255508
2009-10-15

Injector-ignition for an internal combustion engine

#62
20090205607
2009-08-20

INTERNAL COMBUSTION ENGINE INCLUDING A PISTON WITH A GEOMETRICALLY-COMPLEX BOSS

#63
20090088952
2009-04-02

Fuel injector having algorithm controlled look-ahead timing for injector-ignition operation

#64
20070227493
2007-10-04

Injector-ignition for an internal combustion engine

#65
20070227492
2007-10-04

Fuel injector having algorithm controlled look-ahead timing for injector-ignition operation

#66
20070199538
2007-08-30

Shape of combustion chamber for direct-injection diesel engine

#67
20070169741
2007-07-26

Internal combustion engine and operating method therefor

#68
20070051338
2007-03-08

Internal combustion engine

#69
20060243242
2006-11-02

Compression-ignition internal combustion engine

#70
20060090726
2006-05-04

Double bowl piston

#71
16454134
2020-06-09

Intake ports with connecting passage for a diesel engine

#72
15338651
2018-01-16

Piston design for jet placement